1217461Sjilles# $FreeBSD: releng/11.0/bin/sh/tests/builtins/trap5.0 217461 2011-01-15 21:09:00Z jilles $
2217461Sjilles
3217461Sjillesset -e
4217461Sjillestrap - USR1
5217461Sjillesinitial=$(trap)
6217461Sjillestrap -- -l USR1
7217461Sjillesadded=$(trap)
8217461Sjilles[ -n "$added" ]
9217461Sjillestrap - USR1
10217461Sjillessecond=$(trap)
11217461Sjilles[ "$initial" = "$second" ]
12217461Sjilleseval "$added"
13217461Sjillesadded2=$(trap)
14217461Sjillesadded3=$(trap --)
15217461Sjilles[ "$added" = "$added2" ]
16217461Sjilles[ "$added2" = "$added3" ]
17217461Sjillestrap -- - USR1
18217461Sjillesthird=$(trap)
19217461Sjilles[ "$initial" = "$third" ]
20